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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 1 |
| 1978 | 19 |
| 1979 | 8 |
| 1980 | 41 |
| 1981 | 27 |
| 1982 | 26 |
| 1983 | 34 |
| 1984 | 36 |
| 1985 | 35 |
| 1986 | 45 |
| 1987 | 38 |
| 1988 | 44 |
| 1989 | 48 |
| 1990 | 51 |
| 1991 | 26 |
| 1992 | 40 |
| 1993 | 54 |
| 1994 | 60 |
| 1995 | 62 |
| 1996 | 50 |
| 1997 | 37 |
| 1998 | 39 |
| 1999 | 40 |
| 2000 | 30 |
| 2001 | 24 |
| 2002 | 37 |
| 2003 | 51 |
| 2004 | 66 |
| 2005 | 44 |
| 2006 | 55 |
| 2007 | 51 |
| 2008 | 98 |
| 2009 | 103 |
| 2010 | 96 |
| 2011 | 133 |
| 2012 | 167 |
| 2013 | 177 |
| 2014 | 193 |
| 2015 | 182 |
| 2016 | 177 |
| 2017 | 174 |
| 2018 | 233 |
| 2019 | 220 |
| 2020 | 183 |
| 2021 | 106 |
| 2022 | 10 |
| 2023 | 9 |
| 2024 | 68 |
| 2025 | 93 |